#The flocks bred

"The animals of the flocks conceived" or "The animals mated"

#produced striped, speckled, and spotted young

"gave birth to babies with stripes and spots"

#Jacob separated

It can be made explicit that this happened over several years. AT: "During the several years following, Jacob separated" (See: [[:en:ta:vol1:translate:figs_explicit]])

#face toward

"look toward"

#he separated out his flocks for himself alone

"he set his flocks apart"